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This is one of the It is but it is not..
The straight 5600 only has one metal plate under the control head.... this has what looks to be 2 plates..
and the drain looks to be different from the straight 5600..
Is there a locking type collar holding the valve body to the tank?

This is one of the It is but it is not..
The straight 5600 only has one metal plate under the control head.... this has what looks to be 2 plates..
and the drain looks to be different from the straight 5600..
Is there a locking type collar holding the valve body to the tank?

Click to expand...

There is a locking type colar and the base of the valve body has has an O-ring instead of threads. There is a plug where the brine valve is supposed to be and the drain looks just like a 5600. My system does not use the brine.

And that is the Fleck 5600.... yours is a spin off of it.
It has for the most part the control head as the same, with one change to the cam, and it has some of the same parts to the valve but there are some differences.

I have one if the ones that you are talking about in a box in the shop, I will look it over tomorrow to see if there is a way of changing over the piston that you are using right now to the one that one would find on the standard 5600....

The sign that the piston shaft has a challenge is water stain on that white end plug, the gray shaft getting marked up and water standing in the control head.
The other sign that the piston and or seals would be water going to the drain when the system is at home or in service.

If there is little to no water flow past the system when in service, and great flow when system in bypass.. then the spacers could be filled with what ever,, like iron build up.. or even that the media is spent and needs to be replaced.

I will take a look at the one that I have tomorrow and see if the piston that is in that one like yours look like the ones from the normal Fleck 5600... it might be a simple cross over with no changes or there might be a little work for the change over.. I am not sure at this point, but so far from what I am seeing it would change with little to no challenges... but I need to double check.

Thanks alot! I appreciate it. I look forward to see what you come up with.

I have gone through alot of research figuring out how this system works and what is needed to maintain and service it. The only ting stopping me from doing a total maintenance job including a rebed is this dang piston!!!

It is a pain when the system has some changes by the seller because they have enough money to get the factory to make a few changes so that they can make it their own.... and then find the part........arg................

Or how about this one...
Major Dealer closes down and the head office says that they are looking for a new dealer.... mean while any customer that has older equipment or equipment under warranty is going to have to just deal with it.......... or they are dead in the water....

That one sure looks like it with the way the piston looks..
The piston that came out of the valve like yours is a little different from standard 5600, and the cap is more like the 6700 up flow valve.
Your valve is likely to be an up flow brine , used as a filter set up by the company that did the spin on your system.

That one sure looks like it with the way the piston looks..
The piston that came out of the valve like yours is a little different from standard 5600, and the cap is more like the 6700 up flow valve.
Your valve is likely to be an up flow brine , used as a filter set up by the company that did the spin on your system.

Click to expand...

Yeah and the green on the bottom of the piston matches the green in my existing one. theres another thread I did where you can see the base of the piston and it;s green

From what I was seeing in the photos and the that I would not use again but came out that one that valve that I have, it should work, has the same look to the piston and the same key at the top of the shaft ..
As for the seal/spacer kit.... same as any 5600........ 60125 is the number that I have for the fleck sea/spacer kit.